[M.T. Pockets]

Fabs, funny you should mention the line between East & West. I live on the edge of it, unfortunately just on the East side. I would say that I-29 would be the line that you describe. To be real sure you could use the Missouri River as the border.

Thought about moving a couple hundred miles west since I was a teen myself.

Makes me sad to see all the "regular" people in rural areas get dominated in state wide elections by all the city dwelling voters in their state (eg: Missouri, Michigan, New York, Minnesota...)